package servlets.admin;

import entities.Utilisateur;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebServlet(name = "AdminServlet", urlPatterns = {"/admin/AdminServlet"})
public class AdminServlet extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        Utilisateur user = (Utilisateur) session.getAttribute("utilisateur");
        String path = "home.jsp";
        String forwardTo = "";

        if (user != null && user.isAdmin()) {
            String page = request.getParameter("page");

            if (page != null) {
                if (page.equals("categories")) {
                    path = "AdminCategoryServlet";
                } else if (page.equals("tags")) {
                    path = "AdminTagServlet";
                } else if (page.equals("products")) {
                    path = "AdminVideoGameServlet";
                } else if (page.equals("users")) {
                    path = "AdminUserServlet";
                }
            }
        } else {
            forwardTo = "?page=error";
        }

        RequestDispatcher dispatcher = request.getRequestDispatcher(path + forwardTo);
        dispatcher.forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
